//
// Copyright 2018 Pixar
//
// Licensed under the Apache License, Version 2.0 (the "Apache License")
// with the following modification; you may not use this file except in
// compliance with the Apache License and the following modification to it:
// Section 6. Trademarks. is deleted and replaced with:
//
// 6. Trademarks. This License does not grant permission to use the trade
//    names, trademarks, service marks, or product names of the Licensor
//    and its affiliates, except as required to comply with Section 4(c) of
//    the License and to reproduce the content of the NOTICE file.
//
// You may obtain a copy of the Apache License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the Apache License with the above modification is
// distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
// KIND, either express or implied. See the Apache License for the specific
// language governing permissions and limitations under the Apache License.
//

#include "pxr/base/trace/eventContainer.h"

#include "pxr/pxr.h"

PXR_NAMESPACE_OPEN_SCOPE

TraceEventContainer::TraceEventContainer()
    : _back(nullptr)
    , _blockSizeBytes(512)
{}

TraceEventContainer::TraceEventContainer(TraceEventContainer&& other)
    : _back(nullptr)
    , _outer(std::move(other._outer))
    , _blockSizeBytes(other._blockSizeBytes)
{
    other._back = nullptr;
    if (!empty()) {
        _back = &_outer.back();
    }
}

TraceEventContainer& TraceEventContainer::operator=(TraceEventContainer&& other)
{
    _back = nullptr;
    _outer = std::move(other._outer);
    _blockSizeBytes = other._blockSizeBytes;
    other._back = nullptr;
    if (!empty()) {
        _back = &_outer.back();
    }
    return *this;
}

void 
TraceEventContainer::Append(TraceEventContainer&& other)
{
    _outer.splice(_outer.end(), std::move(other._outer));
    other._back = nullptr;
    if (!empty()) {
        _back = &_outer.back();
    }
}


void
TraceEventContainer::Allocate()
{
    _outer.emplace_back();
    _back = &_outer.back();
    _back->reserve(_blockSizeBytes/sizeof(TraceEvent));
    _blockSizeBytes *= 2;
}

PXR_NAMESPACE_CLOSE_SCOPE
